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Home >> Mercedes Benz >> 2017 >> GT AMG >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments (3 Of 3) -- 190 Chassis >> Testing & Repair >> Check Condition Of Battery - AR54.10-P-1129RG

Check Condition Of Battery - AR54.10-P-1129RG

Model 190 

Except Code U98 (LITHIUM-ION STARTER BATTERY (LISB)) 

G16682245Courtesy of MERCEDES-BENZ USA
DANGER Risk of fire  /risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of poisoning  caused by swallowing battery electrolyte or absorption of lead through the skin or body orifices. Risk of death  due to voltage U >= 30 V AC and U >= 60 V DC. No fires, sparks, open flames, or smoking. Wear acid-resistant gloves, clothing, and glasses. Pour battery acid only into suitable and appropriately marked containers. AS54.10-Z-0001-01A 
Notice  Notes on battery   AH54.10-P-0001-01A
INSPECT Check     
1 Perform visual inspection for external leakages In the event of leaks:

Replace on-board electrical system battery (G1).
AR54.10-P-0005RG 
2.1 Check fluid level in on-board electrical system battery (G1) and top up with distilled water if necessary Without service fill level indicator, not with absorbent glass mat battery.  
2.2 Check fluid level in on-board electrical system battery (G1) With service fill level indicator, not with absorbent glass mat battery
Check fluid level using service fill level indicator, if color is white then the acid level is too low:

Replace on-board electrical system battery (G1)
AR54.10-P-0005RG 
3 Check on-board electrical system battery (G1)    
REFER TO SPECIAL TOOLS 000 588 27 19 00 Battery test device   WS54.00-P-0117B 
    HAND-HELD TESTER Battery capacity 80 Ah VRLA/AGM *BE54.10-P-1012-01A 
4 Reduce increased voltage after charging process If the on-board electrical system battery (G1) is disconnected from the on-board electrical system and the message "Surface voltage detected" appears on the display of the battery tester/test equipment. AR54.10-P-1129-03RG 
REFER TO SPECIAL TOOLS 000 588 27 19 00 Battery test device IMPORTANT Check the on-board electrical system battery (G1) again after the increased voltage is reduced. WS54.00-P-0117B 
5 Charge on-board electrical system battery (G1) With the test code "Charge and check" on the battery tester/test equipment.  
    IMPORTANT Check the on-board electrical system battery (G1) again after charging. AR54.10-P-1130RG 
TEST AND ADJUSTMENT VALUES FOR BATTERY

Number Designation Model all (4xWD, CAR, smart)
BE54.10-P-1012-01A Battery capacity 80 Ah VRLA/AGM Cold cranking amps As per EN A 800